JIUJIA-GU Educational Science Kit - Columbus Egg STEM Learning Toy with Rotating Magnetic Field Coil | Science Demonstration & Classroom Teaching Display | Perfect for Kids Science Experiments & Physics Education

Product descriptionColor: As ShownMaterial: Metal + AcrylicVoltage: 220 Turn 15V ACCurrent: 2APower: 15WProduct Dimensions: 13 x 13 x 12.5cmFor Age: 8+Package Content:1 x Motor Model

Tesla's Egg of Columbus is one of the representative products of Nikola Tesla, the father of alternating current. The alternating current passes through the circuit and generates a rotating magnetic field, which makes the metal object in the center rotate.

Customized silicon steel core, 3D printed winding skeleton, transparent acrylic structure, fine winding group, 35mm solid copper ball.

Plug the power cord into the product and turn it by turning the switch. It is not recommended to use it for more than 5 minutes each time. The coil will heat up. It is best to stop it for a period of time and then turn it on again.

The product can not be changed the power supply voltage and power without permission; it is strictly forbidden to connect the wires privately; acrylic is easy to deform, crack, wear, and will be shipped with a film, please do not drop it or put it in a high temperature environment; Rotate the motor to avoid danger.

Columbus eggs can be used as educational toys, technological ornaments, experimental teaching displays, etc.; used to display and explain the principles of rotating magnetic field models and asynchronous motors. Strengthen scientific quality training.